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Barton N05190 – Single Stanchion Lead Block Size 5 54mm, Plain Bearing, Max Rope 12mm
The Barton N05190 Stanchion Lead Block is a Size 5 single sheave block featuring a 54 mm plain bearing sheave, designed for efficient routing of furling lines and control lines on larger cruising and racing yachts. It mounts securely onto standard stanchions, enabling clean lead angles back to the cockpit.
As shown in the Barton stanchion lead block range, this configuration allows genoa furling lines to be guided aft for safe and convenient adjustment from the cockpit. The integrated stainless steel strap fits around standard 25 mm (1") stanchion tubes.
The Size 5 block range is built with high-grade moulded side plates that are through-bolted and riveted for maximum strength. All load-bearing components and the internal frame are manufactured from marine grade 316 stainless steel, ensuring durability in demanding marine environments.
According to the Size 4/5 block specifications :contentReference[oaicite:0]{index=0}, this range is engineered for high load applications on cruising yachts up to 10 m (32 ft), offering excellent strength-to-weight performance.
Key Features
- Single sheave stanchion lead block
- Size 5 with 54 mm sheave
- Plain bearing for robust, low-maintenance operation
- Fits standard 25 mm (1") stanchion tubes
- High-grade moulded side plates, through-bolted construction
- 316 stainless steel internal frame and load components
- Designed for higher load applications
- Suitable for cruising and racing yachts
Technical Specifications
Part Number N05190 Product Type Stanchion Lead Block Size Size 5 (54 mm) Number of Sheaves Single Bearing Type Plain bearing Sheave Size 54 × 17 mm (2 1/8" × 5/8") Max Rope Diameter 12 mm (7/16") Safe Working Load (SWL) 750 kg (1650 lbs) Break Load 1500 kg (3300 lbs) Weight 193 g Dimensions 135 × 58 × 37 mm
Applications
- Genoa furling line routing
- Leading control lines aft to cockpit
- Deck line management on cruising yachts
- Medium to large yacht rigging systems
The Barton Size 5 stanchion lead block provides a strong, durable, and high-load solution for efficient line routing, improving onboard safety and sail handling performance.
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